hello, I dont speak any Chinese, sorry. I need some help to install ubuntu tweak, I already added this app repository, but then in my terminal appears a message:
ben@ben-ThinkPad-T400:~$ sudo apt-get install ubuntu-tweak
[sudo] password for ben:
Reading package lists... Done
Building dependency tree      
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
ubuntu-tweak : Depends: python-compizconfig but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
ben@ben-ThinkPad-T400:~$

Please send some suggestions